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ffprobe: report unavailable SAR correctly in stream info 

av_guess_sample_aspect_ratio() will return undefined or missing
value as {0,1}. This fixes show_stream() to check numerator to
display 'N/A' when appropriate. show_frame() does this already
correctly.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
(cherry picked from commit c663dce031)
This commit is contained in:
Timo Teräs 2018-04-12 11:07:36 +03:00 committed by Rostislav Pehlivanov
parent 9c787a21ce
commit de253343c1
1 changed files with 1 additions and 1 deletions
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2
fftools/ffprobe.c
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@ -2521,7 +2521,7 @@ static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_id
#endif
print_int("has_b_frames", par->video_delay);
sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
if (sar.den) {
if (sar.num) {
print_q("sample_aspect_ratio", sar, ':');
av_reduce(&dar.num, &dar.den,
par->width * sar.num,